Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Mundial 2026 Grupos) Pick polygram.ink (preferred broker) |
26% | 74% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
26% | 74% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| December 31 | 26% |
| September 30 | 8% |
| August 31 | 2% |
| August 18 | 1% |
| June 30 | 0% |
| July 31 | 0% |
| August 13 | 0% |
Market context
The key issue is whether the June understanding turns into a **signed or formally adopted final instrument** by 31 August. Reuters reported on 12 June that negotiators were close to a deal and that a memorandum could be signed within days, but it also stressed that the document would only start a 60-day negotiation on the technical details, which is materially different from a final nuclear settlement.[10] By late June, the public record still pointed to a framework and working talks rather than completion: mediators said there was a roadmap towards a final deal within 60 days, while other reports said Iran had not accepted new nuclear commitments in the Switzerland talks.[1][8]
For context, this market is closer to a *framework-versus-finalisation* trade than a pure diplomacy headline. Similar episodes in February saw both sides describe “guiding principles” and “good progress”, yet Reuters and AP both noted that there was still no deal and that important details remained unresolved.[7][9][13] That history matters because a verbal breakthrough, a memorandum, or a ceasefire extension has not been enough on its own; the settlement language here requires a qualifying written diplomatic instrument, so traders should separate interim roadmaps from something formally adopted by both governments.[1][10][19]
The main catalysts are the technical meetings, any announcement of a signed text, and whether the 60-day timetable produces a draft that is actually adopted before expiry. Al Jazeera reported that the mediators expected further technical talks over the next two months, with working groups on nuclear issues, sanctions and dispute resolution; Reuters also cited a U.S. official saying Iran would make detailed proposals within two weeks, underlining how much still depends on follow-up documentation rather than broad political intent.[1][7] A fresh headline on inspections, sanctions relief, frozen assets or the status of the uranium stockpile would be the most direct signal for line movement, because those are the unresolved items repeatedly flagged by the coverage.[4][6][18]
Methodology
Football-specific comparison page for Pronóstico: US-Iran Final Nuclear Deal by…?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi (US-focused) or Manifold (play-money).
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
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